20-62309438-G-A

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 2P and 13B. PM2BP4_StrongBP6_Very_StrongBP7

The NM_005560.6(LAMA5):c.10986C>T(p.Cys3662=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000669 in 1,583,846 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00025 ( 0 hom., cov: 29)

Exomes 𝑓: 0.000047 ( 0 hom. )

Consequence

LAMA5
NM_005560.6 synonymous

Scores

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -4.06

Variant links:

Genes affected

LAMA5 (HGNC:6485): (laminin subunit alpha 5) This gene encodes one of the vertebrate laminin alpha chains. Laminins, a family of extracellular matrix glycoproteins, are the major noncollagenous constituent of basement membranes. They have been implicated in a wide variety of biological processes including cell adhesion, differentiation, migration, signaling, neurite outgrowth and metastasis. Laminins are composed of 3 non identical chains: laminin alpha, beta and gamma (formerly A, B1, and B2, respectively) and they form a cruciform structure consisting of 3 short arms, each formed by a different chain, and a long arm composed of all 3 chains. Each laminin chain is a multidomain protein encoded by a distinct gene. The protein encoded by this gene is the alpha-5 subunit of of laminin-10 (laminin-511), laminin-11 (laminin-521) and laminin-15 (laminin-523). [provided by RefSeq, Jun 2013]

LAMA5 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -11 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.88).

BP6

Variant 20-62309438-G-A is Benign according to our data. Variant chr20-62309438-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 2143075.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-4.06 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
LAMA5	NM_005560.6 linkuse as main transcript	c.10986C>T	p.Cys3662=	synonymous_variant	80/80	ENST00000252999.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
LAMA5	ENST00000252999.7 linkuse as main transcript	c.10986C>T	p.Cys3662=	synonymous_variant	80/80	1	NM_005560.6	P1	O15230-1
LAMA5	ENST00000370691.6 linkuse as main transcript	n.2781C>T		non_coding_transcript_exon_variant	17/17	1
LAMA5	ENST00000495695.1 linkuse as main transcript	n.487C>T		non_coding_transcript_exon_variant	4/4	2

Frequencies

GnomAD3 genomes

AF:

0.000250

AC:

AN:

152012

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000725

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000588

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000938

AC:

AN:

202572

Hom.:

AF XY:

0.0000983

AC XY:

AN XY:

111946

show subpopulations

Gnomad AFR exome

AF:

0.000675

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000185

Gnomad SAS exome

AF:

0.000148

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000431

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000475

AC:

AN:

1431716

Hom.:

Cov.:

AF XY:

0.0000534

AC XY:

AN XY:

711094

show subpopulations

Gnomad4 AFR exome

AF:

0.000780

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000510

Gnomad4 SAS exome

AF:

0.0000722

Gnomad4 FIN exome

AF:

0.0000261

Gnomad4 NFE exome

AF:

0.0000208

Gnomad4 OTH exome

AF:

0.000168

GnomAD4 genome

AF:

0.000250

AC:

AN:

152130

Hom.:

Cov.:

AF XY:

0.000256

AC XY:

AN XY:

74350

show subpopulations

Gnomad4 AFR

AF:

0.000723

Gnomad4 AMR

AF:

0.0000654

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000193

Gnomad4 SAS

AF:

0.000415

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000588

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000234

Hom.:

Bravo

AF:

0.000242

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

LAMA5-related disorder

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

PreventionGenetics, part of Exact Sciences

Aug 09, 2019

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

not provided

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Invitae

May 27, 2023

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.88

Cadd

Benign

0.18

Dann

Benign

0.85

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over